Ontario Health Act - HydroTher

Ontario Health Act

In Ontario, public pool safety is primarily governed by Regulation 565 (Public Pools) under the Health Protection and Promotion Act. As of January 1, 2025, significant updates were implemented to modernize these rules, particularly regarding "floatation tanks" and specific chemical ranges.

1. Ontario Regulation 565: Public Pools

This regulation is the legal backbone for all public aquatic facilities in the province. It classifies pools into three main types:

Key Requirements:


2. 2025/2026 New Requirements

Recent amendments have introduced stricter oversight:


3. Building & Fencing (Ontario Building Code)

While Reg 565 covers health, the Ontario Building Code (OBC) and municipal bylaws cover construction:


Direct Links & Resources

Note: If you are a pool operator, you are legally required to keep daily logs of water tests (taken every 2 hours for spas, or at least every 4 hours for pools) and keep those records for at least one year.